Eustache I de Fiennes, Seigneur de Fiennes1 
Child of Eustache I de Fiennes, Seigneur de Fiennes and Adèle de Furnes, Dame d’Andre
- Conon I de Fiennes, Seigneur de Fiennes+1 d. bt 1137 – 1145
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Adèle de Furnes, Dame d’Andre1 
Child of Adèle de Furnes, Dame d’Andre and Eustache I de Fiennes, Seigneur de Fiennes
- Conon I de Fiennes, Seigneur de Fiennes+1 d. bt 1137 – 1145
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Conon I de Fiennes, Seigneur de Fiennes1 
Child of Conon I de Fiennes, Seigneur de Fiennes and Alix de Bournonville
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Alix de Bournonville1 
Child of Alix de Bournonville and Conon I de Fiennes, Seigneur de Fiennes
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Jeanne de Sainte-Aldegonde1 
Children of Jeanne de Sainte-Aldegonde and Eustache II de Fiennes, Seigneur de Fiennes
- Eustache III de Fiennes, Seigneur de Fiennes1 d. 1204
- Louise de Fiennes1 b. 1152, d. 1209
- Enguerrand I de Fiennes, Seigneur de Fiennes+1 b. c 1155, d. 1207
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Eustache III de Fiennes, Seigneur de Fiennes1 
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Marguerite de Guines1
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Louise de Fiennes1 
She was a Carmelite nun at Saint Omer, France.1
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Enguerrand I de Fiennes, Seigneur de Fiennes1 
Children of Enguerrand I de Fiennes, Seigneur de Fiennes and Sibylle de Tingry, Dame de Tingry
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.
Sibylle de Tingry, Dame de Tingry1
Children of Sibylle de Tingry, Dame de Tingry and Enguerrand I de Fiennes, Seigneur de Fiennes
- [S8569] Ranulph Fiennes, Agincourt, My family, the battle and the fight for France (London: Hodder & Stoughton, 2014). Hereinafter cited as Agincourt.